Models HWC Premier 122, 182, 242, 302 123, 183, 243
Service Reference Manual
Disclaimer
Table of Contents
Heating Configuration Table Cooling Configuration Table
Specifications
Product Serial Numbers, Beginning
Models Covered By This Manual
Model Number Guide
Summary of Model Revisions/Variations
Heating Configurations of HW/HWC Units
Cooling Configurations of HWC Units
Physical and Electrical
Physical and Electrical Specifications HWC Units
Performance Ratings
Performance Ratings HWC122/123
Performance Ratings HWC182/183
Performance Ratings
Performance Ratings HWC242/243
Performance Ratings HWC302/303
Blower Performance HWC Units
Blower Performance
Wall Sleeve all measurements in inches
Service Reference Manual Dimensions
HWC123,183,243,303
Sequence of Operation
HW Heating Only Utec 1097 Spark Ignition System
HWC122,182,242,302 Fenwal 2461D Ignition Control
HWC123,183,243,303 Low Ambient Control HWC122,182,242,302
HWC122,182,242,302 Fenwal 05-29 Ignition Control
HW Heating Only Fenwal 05-29 Ignition Control
Blank
United Technologies 1097 Spark Ignition System
Connection Diagram
Detailed Sequence follows
Simplified Sequence HWC123,183, 243
Refer to Figure
L2 Power
L1 Power
Line Voltage
Low Voltage 24 VAC
LIMIT/ROLLOUT Opens
Failed Flame SENSE/TRIAL for Ignition
FAN on
HW Heating Only
Simplified Sequence HW w/UTEC 1097 Board
At pin 6 of the 6-pin ignition wire harness
LIMIT/ROLLOUT Opens
Failed Flame SENSE/TRIAL for Ignition
Blank
Fenwal Triton 2461D DSI Ignition Control
HWC122, 182, 242
Refer to Figure
Terminal R on the blower control board
Second black wire
2 on the contactor
Limit Opens
FAN on
Blank
#39247D2
Simplified Sequence HW w/Fenwal 2461D Board
Terminal on the blower control board Low Voltage 24 VAC
First black wire 1 on the ignition control
Limit Opens
Only
Fenwal 05-29 Ignition Control
Refer to Figure
Power
Limit Opens
FAN on
Blank
Circuits Energized
Simplified Sequence HW w/Fenwal 05-29 Board
Terminal L-1 on the blower control board Low Voltage 24 VAC
First black wire 1 on the ignition module
Circulating air blower capacitor terminal Second black wire
Flame Sense
HWC123, 183, 243, 303 Low Ambient
HWC123,183, 243 Low Ambient Model
HWC122, 182, 242, 302 Low Ambient
HWC122,182, 242 Low Ambient Model
Unit Tear Down
Chassis Removal Evaporator Blower Assembly Removal
Heating Section
Cooling Section
Induced Draft Combustion Blower Removal
Heat Exchanger Removal
Unit Tear Down
Chassis Removal
63 5/8 I.D
Evaporator Blower Assembly Removal
Component Location Illustrations
Service Reference Manual Component Location Illustrations
HW/HWC123,183,243,303
HW/HWC122, 182, 242
HW/HWC Panels
HW/HWC Exterior Louver/Grill Panel
HWC Chassis Assembly
Armstrong P/N 03982D004
Armstrong P/N
Band Armstrong P/N 07407B000 Arms Armstrong P/N 07408B004
10.75 x
63 5/8
16.5 x 25 x
Unit Components
Unit Components
Transformer *1
Transformer Specifications
24 VAC Secondary
208/240 VAC
White-Rodgers 25K49-120
Gas Valves *7
Honeywell 8105 Series
Gas Valve Specifications
24VAC
Heatcraft Blower Control Board IBC-H4C401
Fenwal Triton 2461D
Ignition Control Specifications
Ignition Controls *24
Triton 2461D Diagnostic Flash Code
Diagnostics Fenwal Triton 2461D
Fenw
United Technologies Model
Integrated Control Specifications
Integrated Blower/Ignition Control *24
United Technologies Model 1097-400-1
Fan Off Delay
Heat Mode
Fan On Delay
Induced Draft Blower *63
Induced Draft Blower Specifications
Burners *34
Burner Specifications
11 Inshot Burners
Flame Carryover Problems
Manifold Orifices *13
Manifold Orifice Specifications
Contactor *278
Contactor Specifications
15 Camstat Main Limit Switch
Main High Limit Switch *52
17 Flame Rollout Switch
Flame Rollout Switch *55
Pressure Switch Specifications
Pressure Switch *57
Pressure Switches
Pressure Switch Problems
Blocked Intake
Blocked Flue
Terminology
What Is Needed for the Tests
Procedure for Checking Pressure Switch
Word About the Switch Closed Value
Word About the Switch Open Value
20 Incline Manometer Connection
Compressors *262
Compressor Specifications on next
RLA LRA
Manufacturer Tecumseh
Tecumseh Rotary Compressor Specifications
Top View
Side View
22 Tecumseh Reciprocating Compressor
Tecumseh Reciprocating Compressor Specifications
Layout
Copeland Compressor Specifications
Manufacturer Copeland
24 Copeland Compressor Side View
Drier-Filters *301
10 Drier-Filter Specifications Armstrong Part Number
HWC Capillary Tubes *256
HWC Capillary Tube Specification Tables
26 43267-001 Capillary Tubes
30 43281-001 Capillary Tubes
34 39102B001 Capillary Tubes
12 39102B001 Specifications
13 Capacitor Ratings Armstrong
Capacitors *271
Volts
Dual Single
15 Condenser Fan Motor Specifications
14 Evaporator Blower Motor Specifications
Evaporator Blower Motor Indoor Blower *69
Condenser Fan Motor Outdoor Motor *267
Armstrong Rating
Capacitors-Run *86
16 Run Capacitor Ratings
37 Fan Blades HWC Models 122, 182 & 123
Fan Blades *268
38 Fan Blades HWC Models 242, 302 & 243
39 Exterior Grill Panels
Exterior Grill Panels Not Listed in the Parts Lists
Installation
Installation and Operation in Extremely Cold Weather Areas
Location
HW/HWC Installation and Maintenance Instructions
Installation
HW/HWC Installation
Installing With a Wall Sleeve
Installing Without a Wall Sleeve
Condensate Drain HWC Models
HWC Drain Installation
Required Clearances for Direct Vent Terminals
Removal of Unit from Common Venting System
NOx Insert Removal
Gas Supply Piping
HW/HWC
Minimum Required Surface Area for Disposable
Temperature Rise
Filters
Pressure Regulator
High Altitude Adjustments U.S. Installa- tions
Adjustments Cooling Section HWC models
High Altitude Adjustments Canadian Instal- lations
Cubic Feet Per Revolution 3600 Heating
Installation and Operation in Extremely Cold Weather Areas
HW/HWC Accessory Kit Index
Accessories
Intended as a general guide only, for use by qualified
Components and accessories. These instructions should
Personnel, and do not supersede any national or local
Codes in any way
CA-239 Wall Sleeve Kit
Wall Sleeve Assembly
CA-239 Wall Sleeve Kit Assembly
CA-239 Parts List
Recessed Wall Sleeve Installation
Wall Sleeve Installation
Weather Sealing
Magic-Pak Installation
A242-1 Wall Sleeve Adaptor Kit
Wall Sleeve Adaptor Kit Assembly
Attachment to HW/HWC
Installing the HW/HWC Unit
A242-1 Wall Sleeve Adaptor Kit Assembly
A242-1 Parts List
ALVR42 Architectural Aluminum Louver Facade
Assembly
Installation
Alvr Architectural Aluminum Extended Louver
34961A001 Compressor Vibration Isolator Kit
34961A001 Parts List
ALPKT389-2 Orifices
ALPKT389-2 Parts List
ALPKT389-2 L.P. Gas Conversion Kit
Regulator Natural Gas
AHALT390-1 Parts List
AHALT390-1 High Altitude Kit
Regulator Propane
Accessories
ATIMR466-1 Short Cycle Protector Kit
ATIMR466-1 Parts List
ADAPT420-2 Chassis Conversion Kit
10 ADAPT420-2 Parts List
Fenwal Triton Ignition Control Kit
11 Triton Ignition Control Kit Parts List
TL109 Burner Tray
TL109 Burner Tray Kit
AMUFFKT494-1 Discharge Muffler Kit
AMUFFKT494-1 Kit Discharge Muffler Installation
HWC123, 183, 243, 303H-1
Parts Lists
HW-1 HWA-9 HWC123, 183, 243, 303S-1
HWC3-A-1
HWC3-A-1
COMPRESSOR-AW501ET-089-A4
HWC182-242A-11
HWC182-242A-11
HWC122-242A-10 Revised
HWC122-242A-10
26HWC122A-10 38HWC122A-10 38HWC242A-10
HWC182-9
HWC182-9
HWC242-302-9
HWC242-302-9
HWC-8
HWC-8cont
REC Stocking Service Level
COMP-ZR28K1-PFV
HWC-6/7
HWC-6/7
HWC-5
HWC-5cont
64HWC302-5A Last letter of the Model # is the Service Level
64HWC302-5 a Last letter of the Model # is the Service Level
HWC-4
HWC-4cont
Capacitor 25/5 MFD@370VAC
HWC-3
HWC-3cont
64HWC302-3A Last letter of the Model # is the Service Level
CAP Tube Assy
HWC-2
HWC-2cont
HWC-1
HWC-1cont
Coil Outdoor
HW-1
HW-1cont
HWA-9
HWA-9cont
HWC3-S-1
HWC3-S-1
RELAY-CONDENSER FAN Motor
HWC3-H-1
HWC3-H-1
COMPRESSOR-AW501ET-089-A4
Troubleshooting
Troubleshooting Performance Charge Weights
Performance Tests Installed Performance Tests Bench Tested
Performance
Initial Testing
Troubleshooting
Further Testing
Compressor Checkout
Example #1
Checking Windings
Checking the Thermal Overload Device
Example #2
Troubleshooting
Magic-Pak HW/HWC Capacitor Checkout
Capacitor Testing
Troubleshooting
Example
Determining Capacitance MFD Rating with a Test Cord
HWC122 Performance Test Chassis Installed
Performance Tests Chassis Installed in Unit
HWC182 Performance Test Chassis Installed
Performance Checkout
HWC302 Performance Test Chassis Installed
HWC242 Performance Test Chassis Installed
Ambient Temperature Chassis Bench Test
70 80 Ambient Temperature Chassis Bench Test
HWC Refrigerant Charge Weights
Performance Tests Chassis Bench Tested